Home / 275,122,980.56-379,672,535.88-157,645,767.76

Finding the Fourth Proportional to 275,122,980.56, 379,672,535.88 and 157,645,767.76

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Solution

The fourth proportional to 275,122,980.56, 379,672,535.88 and 157,645,767.76 is: 217,552,776.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,122,980.56 : 379,672,535.88 = 157,645,767.76 : x
  2. Step 2: Convert to fraction form
    275,122,980.56/379,672,535.88 = 157,645,767.76/x
  3. Step 3: Cross multiply
    275,122,980.56x = 379,672,535.88 × 157,645,767.76
  4. Step 4: Simplify right side
    275,122,980.56x = 59,853,768,416,188,744
  5. Step 5: Solve for x
    x = 59,853,768,416,188,744/275,122,980.56
  6. Step 6: Final answer
    x = 217,552,776.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.